<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
	p {
		border: red 1px solid;
		outline: dashed 3px blue;
	}
	</style>
</head>
<body>
	<p class="p1">outlint attribute</p>
	<p class="p2">outlint attribute</p>
	<p class="p3">outlint attribute</p>
	<p>outline</p>
</body>
</html>